Home / 13,789.02-20,679.86-5,996

Finding the Fourth Proportional to 13,789.02, 20,679.86 and 5,996

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Solution

The fourth proportional to 13,789.02, 20,679.86 and 5,996 is: 8,992.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,789.02 : 20,679.86 = 5,996 : x
  2. Step 2: Convert to fraction form
    13,789.02/20,679.86 = 5,996/x
  3. Step 3: Cross multiply
    13,789.02x = 20,679.86 × 5,996
  4. Step 4: Simplify right side
    13,789.02x = 123,996,440.56
  5. Step 5: Solve for x
    x = 123,996,440.56/13,789.02
  6. Step 6: Final answer
    x = 8,992.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.